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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>行内元素和块元素</title>
</head>
<body>

<p>我是块元素</p>啊啊啊
<h1>我也是块元素</h1>不不不不不
<strong>字体样式标签加粗</strong>
<a href="#">我是行内元素</a>
<img src="image/logo.jpg">
<a href="#">我是行内元素</a>
</body>
</html>